using System;
using System.Diagnostics;
using System.Windows;

namespace WarnWindows11
{
    public class OSWarning
    {
        public static void Main(string[] args)
        {
            try
            {
                var windows11 = false;
                using (var process = new Process())
                {
                    process.StartInfo.FileName = "systeminfo.exe";
                    process.StartInfo.UseShellExecute = false;
                    process.StartInfo.RedirectStandardOutput = true;
                    process.Start();

                    // Synchronously read the standard output of the spawned process.
                    var reader = process.StandardOutput;
                    string output = reader.ReadToEnd();
                    var lines = output.Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);

                    foreach (var line in lines)
                    {
                        if (line.ToUpper().Contains("MICROSOFT WINDOWS 11")) { windows11 = true; }
                    }

                    process.WaitForExit();
                }
                if (windows11) { _ = MessageBox.Show(Properties.Resources.WARNING_WINDOWS11); }
            }
            catch (Exception) { }
        }
    }
}